Patent · US Active

Flame retardant polyamide compositions

US9938381B2 · kind B2 · utility

1Cited by

8References

2Claims

0Family size

Assignee

FRX Polymers, Inc. · US

Inventors

Dieter Freitag · Krefeld, DE
Pin Go · Lowell, US
Youmi JEONG · Boxborough, US
Lawino Kagumba · Cambridge, US

Key dates

Filing date	Sep 30, 2015
Grant date	Apr 10, 2018
Priority date	—
Expiry date	Jul 18, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L85/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Predominately amino terminated phosphonamide oligomers and their use as flame retardant additives in polyamides and copolyamides without detracting from melt processability are described herein. Other important properties such as strength, modulus, dyeing and thermal stability are maintained.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.